Instruction Manual
33 Pages
Preview
Page 1
Instruction Manual
ENDOLIGHT LED 2.2 51640x1
GA-A 307 / en / 2015-06 V1.0 / PDG 00-0000
Important general notes and instructions Make sure that this product is used only as intended and described in this instruction manual and by adequately trained and qualified medical personnel, Maintenance and repair must be carried out by authorized experts. Use the product only in the combinations and with the accessories and spare parts specified in this instruction manual. Use other combinations, accessories and replacement parts only if they are expressly intended for the planned appli cation and if the performance characteristics and safety requirements are met. The product must not be altered in any way. Reprocess the product in accordance with the manual before every use and before return shipment to protect the pa tient, user and third parties. This manual is an integral part of the product and must be stored in such a way that it is accessible at any time during its entire life cycle. This manual must be passed on to any subsequent owner or user. Immediately upon receipt, check the product and its accessories for completeness and possible damage. Should the shipment give rise to complaints, please inform the manufacturer or supplier immediately. Subject to technical changes! Due to ongoing developments the illustrations and technical data may deviate slightly.
Safety instructions and levels of danger Symbol
Level of danger
WARNING!
Failure to observe can result in death or extremely serious injuries.
CAUTION!
Failure to observe can result in slight injury or damage to the product.
IMPORTANT!
Failure to observe can result in damage to the product or surroundings.
NOTE!
User tips for optimum device use and other useful information.
GA-A 307
GERMANY RICHARD WOLF GmbH 75438 Knittlingen Pforzheimerstr. 32 Telephone: +49 70 43 35-0 Telefax: +49 70 43 35-4300 MANUFACTURER [email protected] www.richard-wolf.com
USA RICHARD WOLF Medical Instruments Corporation 353 Corporate Woods Parkway Vernon Hills, Illinois 60061 Toll Free: 001 (800) 323 - 9653 Phone: 001 (847) 913 - 1113 Fax: 001 (847) 913 - 1488 [email protected] www.richardwolfusa.com
UK RICHARD WOLF UK Ltd. Waterside Way Wimbledon SW17 0HB Telephone: + 44 20 89 44 74 47 Telefax: + 44 20 89 44 13 11 [email protected] www.richardwolf.uk.com
BELGIUM / NETHERLANDS N.V. Endoscopie RICHARD WOLF Belgium S.A. Industriezone Drongen Landegemstraat 6 9031 Gent Drongen Telephone: +32 92 80 81 00 Telefax: +32 92 82 92 16 [email protected] www.richard-wolf.be
FRANCE RICHARD WOLF France S.A.R.L. Rue Daniel Berger Z.A.C. La Neuvillette F-51100 Reims Telephone: +33 3 26 87 02 89 Telefax: +33 3 26 87 60 33
AUSTRIA RICHARD WOLF Austria Ges.m.b.H. Wilhelminenstraße 93 a A-1160 Vienna Telephone: +43 14 05 51 51 Telefax: +43 14 05 51 51 45
[email protected] www.richard-wolf.com
Marketing Office U.A.E RICHARD WOLF Middle East P.O. Box 500283 AL Thuraya Tower 1 9th Floor, Room 904, Dubai Telephone: + 9 71 43 68 19 20 Telefax: + 9 71 43 68 61 12 [email protected] www.richard-wolf.com
INDIA RICHARD WOLF India Private Ltd. JMD Pacific Square No. 211 A, Second Floor Behind 32nd Milestone Gurgaon - 122 001 National Capitol Region Telephone: + 91 12 44 31 57 00 Telefax: + 91 12 44 31 57 05 [email protected] www.richard-wolf.com
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Contents 1 1.1 1.2 1.2.1 1.3 1.4 1.4.1 1.4.2 1.5 1.5.1 1.5.2 1.6 1.7
General information... Symbol... Intended use... Performance characteristics... Indications and field of use... Contraindications and side effects... Contraindications... Side effects... Combinations... Equipotentality... Requirements for the products / components of a combination... Electromagnetic compatibility (EMC)... Connection diagram - light source in video mode...
1 1 2 2 2 2 2 2 3 3 4 5 7
2 2.1 2.2
Illustration... Front view... Illustration of rear panel...
8 8 9
3 3.1 3.2 3.3
Setup... Connection to the core nova system... Selecting the light socket... Preparation...
10 11 11 12
4 4.1 4.2 4.2.1 4.2.2 4.2.3 4.2.4
Checks... Visual check... Function check... Device function after switching on the device... Manual brightness adjustment... Switching ON and OFF the LED... Automatic brightness adjustment using the “dialog" function...
13 13 13 13 14 14 14
5 5.1 5.2 5.2.1 5.2.2 5.2.3 5.2.4 5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 5.4 5.4.1 5.4.2 5.4.3 5.4.4
Use... Operation... Control elements and modes... Dialog function... Automatic switch-on of the device, i.e. "safe start“ (e.g. after power failure)... Manual brightness adjustment... Temperature protection circuit... Operation of the light source... General notes on device operation within the core system... Device function after switching on the device... Manual brightness setting (dialog function not active)... Displays and visual signals on the device... Taking out of service... Overview of system messages... Structure of system messages... Message types... Functionality of control elements... LOW error (turqoise)...
15 15 15 15 15 16 16 17 17 18 18 18 18 19 19 19 19 20
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5.4.5
MEDIUM error (yellow)... 20
6 6.1 6.2 6.3 6.4
Operation within the core nova system... Functional principle within the core system... Combining and controlling the device... Setting the OR Integration Interface (System ID)... Connection to the core nova system...
22 22 22 22 23
7 7.1 7.2 7.2.1
Reprocessing and maintenance... Reprocessing of device... Maintenance... Maintenance intervals...
24 24 24 24
8 8.1 8.1.1 8.1.2 8.1.3 8.1.4 8.2 8.2.1 8.2.2 8.3 8.4 8.5 8.5.1
Technical description... Troubleshooting... Device error... Lamp function errors... Fault in video mode... Error in the core nova system... Technical data... Technical Data of LED Light Source... Interfaces... Operating, storage, transport and shipping conditions... Spare parts and accessories... Replacing the device fuses... Disposal of product, packaging material and accessories...
25 25 25 25 25 26 27 27 27 27 28 29 29
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General information
1.1
Symbol Symbol
Designation Attention, Caution Follow the instruction manual OFF (no power supply, separation from mains) On (power: connection to the power/mains) Equipotentality Mains / Line fuse Alternating current (AC)
µ
TYPE CF APPLIED PART Cold light Light On / Off Brightness setting (maximum) Brightness setting (minimum) Increase brightness Decrease brightness Network, LAN (Ethernet) interface Manufacturer Manufacturing date Recycle the product separately. Do not discard together with other waste. XX° XX°
Permissible temperature range
XXhPa
Permissible atmospheric pressure range XXhPa XX%
Permissible humidity range XX%
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Symbol
Designation A Registered Trademark of a Recognized Testing Laboratory, confirm the compliance to the standard of Medical Electrical Equipment CAN/CSA C22.2 No.60601-1 (c c) and ANSI/AAMI ES60601-1 (us us) us Identification in conformity with medical devices directive 93/42/EEC only valid if the product and/or packaging is marked with this symbol. symbol Products of category IIa and above, as well as sterile products or products with measuring function of category I, are additionally identified with the code no. of the notified body (0124).
1.2
Intended use The ENDOLIGHT LED 2.2 light source supplies light for examinations, as well as for diagnostic and therapeutic applications in particular in endoscopy. This product is designed exclusively for use by specialized medical per sonnel and may only be applied by medically qualified and adequately trained persons.
1.2.1
Performance characteristics - Light output in the visible spectrum for endoscopy.
1.3
Indications and field of use Therapy and diagnosis in conjunction with endoscopic accessories.
CAUTION! This device or the LED may fail. For therapeutic applications a second light source with the same features should be available. NOTE! We recommend reading relevant literature for the planned application.
1.4
Contraindications and side effects
1.4.1
Contraindications
1.4.2
Side effects
2
Contraindications directly related to the product are presently unknown. On the basis of the patient's general condition the doctor in charge must decide whether the planned use is possible or not. For further notes and instructions please refer to the latest medical litera ture. Side effects directly related to the product are currently unknown.
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1.5
Combinations This product must only be applied in combination with the devices ap proved by Richard Wolf and following the corresponding instruction man ual.
IMPORTANT! The installation of the entire product, including the configuration settings via the core system, must be carried out by an authorized and trained expert. IMPORTANT! Do not connect the device to other networks, such as the hospital inhouse network via the LAN (Ethernet) interface. The device may only be connected via the LAN (Ethernet) interface within the core system. IMPORTANT! In addition to this manual follow the latest manuals of the products used in combination with this product. Only components approved for the core system may be connected to the device. For further information please contact Richard Wolf or your repre sentative. IMPORTANT! The OR network must be galvanically isolated from the hospital network, e.g. by: - optical network cables with the corresponding optical transceiver for the network switch. - a network isolator for medical devices. IMPORTANT! Close any LAN (Ethernet) sockets in the network switch that are not used with the corresponding plastic caps. 1.5.1
Equipotentality
GA-A 307
The potential equalization cable establishes a direct connection between a medical electrical device and an equipotential bonding rail. It serves to equalize differences in potential between enclosures of elec trical equipment and firmly installed conductive parts in the patient envi ronment.
3
1.5.2
Requirements for the products / components of a combination 1.5m
1.5m The general requirements depend on whether the products / com ponents are inside or outside the patient environment.
1.5m
IEC 60601-1, 3. Ed.
Medically used room inside the patient environment MP
MP
~
~
MP
MP
outside the patient environment
-
Non-medically used room
-
Requirements / measures Leakage currents to section 16.6 IEC 60601-1:2005 / EN 60601-1:2006 *
Verification of the total patient leakage current
~ ** NMP
MP
~* *
~
NMP
MP
-
Verification of leakage currents
~ ** MP
a) additional protective earth connection (consult the corresponding manufacturer),
-
or b) additional isolating transformer for medical applications **
NMP
~ MP
NMP
~ MP / NMP
MP
~ ** MP
NMP
~
~
MP
MP / NMP
~
~
additional "isolating transformer" to IEC/ EN60601-1 ** Functional connection MP NMP
Verification of leakage currents a) no plugs with metal housing, or b) additional isolation device (to avoid voltage differentials)
-
Verification of leakage currents a) common protective earth connection, or b) additional protective earth connection at MP (clarify with the corre ponding manufacturer), or c) additional isolation device (to avoid voltage differentials), or d) no plugs with metal housing in the patient environment
additional isolating device to IEC/ EN 60601-1
Multiple socket strip
~ Power supply grid
= medical electrical device to IEC/ EN 60601-1, ANSI/AAMI es60601-1, CSA C22.2 No. 60601-1 = non-medical electrical device in accordance with product-specific IEC/EN/UL standards
* **
When connected via a multiple socket strip under standard conditions, the earth leakage current of the socket strip must not exceed 5 mA. e.g. Richard Wolf video cart with "isolating transformer"
Only connect devices with a safety extra-low voltage of no more than 60V DC / 42.4V AC peak to the connectors for electrical connections, i.e. the signal inputs and outputs.
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IMPORTANT! The persons combining products to form a system are responsible for not impairing the system's compliance with performance and safety requirements, and that the technical data and the intended use are adequately fulfilled. Possible electromagnetic or other interference that may occur between the product and other products can cause faults or malfunctions. When selecting the system components, make sure that they meet the necessary requirements of the medical envi ronment they are used in, in particular IEC/ EN 60601-1 (3. Edition IEC/EN 60601-1, section 16). In case of doubt contact the manufacturer(s) of the system components. Do not touch connectors for electrical connections between various components (such as signal input connectors and signal output connectors for video signals, data exchange, controls etc.) and the patient at the same time. IMPORTANT! Accessories such as light cables must not have a negative impact on the classification of the applied part and must not have a conductive connection between the light socket and the cold-light connector.
1.6
Electromagnetic compatibility (EMC)
NOTE: The device or system in the following called product always relates to the ENDOLIGHT LED 2.2. Guidelines and manufacturer's declaration - Electromagnetic emissions The product is intended for use in the environment specified below. The user must assure that the product is used in such an environment. Emissions measurement / test
Compliance
Electromagnetic environment - Guidelines
HF emissions to CISPR 11
Group 1
The product uses HF energy for its internal function. The HF emission level is extremely low and it is not likely to cause any interference in nearby electronic equipment.
HF emissions to CISPR 11
Class B
Harmonic emissions to IEC 61000-3-2
Class A
In conformity with IEC 61000-3-3 “Emission of voltage fluctuations / flicker"
The product is suitable for use in all establishments, including domestic establishments. This also includes establishments directly connected to the public low voltage power supply network that supplies buildings used for domestic purposes.
Guidelines and manufacturer's declaration - Electromagnetic immunity The product is intended for use in the environment specified below. The user must assure that the product is used in such an environment. Immunity tests
IEC 60601 test level
Electrostatic discharge (ESD) to IEC 61000-4-2
± 6 KV contact discharge ± 8 KV air discharge
Yes
Floors should be wood, concrete or ceramic tile. With floors made of synthetic material, the relative humidity of the ambient air must be at least 30%.
Electrical fast transience, bursts to IEC 61000-4-4
± 2 KV for power supply lines ± 1 KV for input and output lines
Yes
Mains/line power quality should be that of a typical commercial or hospital environment.
Surge voltage (surges) to IEC 61000-4-5
± 1 KV line to line voltage ± 2 KV line to ground voltage
Yes
Mains/line power quality should be that of a typical commercial or hospital environment.
Voltage dips, short interruptions and sup ply voltage variations to IEC 61000-4-11
Voltage dip for 0.5 cycle > 95% UT * Voltage dip for 5 cycles 60% UT * Voltage dip for 25 cycles 30% UT * Voltage dip for 5 sec > 95% UT *
Yes
Mains/line power quality should be that of a typical commercial or hospital environment. If the user of the product requires continued operation during power mains/line interruptions it is recommended that the product be powered from an uninterrupt ible power supply or battery.
Power frequency (50/60 Hz) magnetic field, to IEC 61000-4-8
3 A/m
Yes
Power frequency magnetic fields should be at lev els characteristic of a typical location in a commer cial or hospital environment.
Compliance
Electromagnetic environment - Guidelines
* NOTE: UT is the line / mains voltage prior to application of the test level.
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Guidelines and manufacturer's declaration - Electromagnetic immunity for products that are not life-supporting The product is intended for use in the environment specified below. The user must assure that the product is used in such an environment. Immunity tests
IEC 60601 test level
Compliance
Electromagnetic environment - Guidelines Portable and mobile RF communications equipment should be used no closer to any part of the product, including ca bles, than the recommended separation distance calculated from the equation applicable to the frequency of the transmit ter. Recommended separation distance:
Conducted HF interference to IEC 61000-4-6
3 Vrms 150 kHz to 80 MHz
Radiated HF interference to IEC 61000-4-3
3 V/m 80 MHz to 2.5 GHz
Yes
d = 1.2
P
d = 1.2
P for 80 MHz to 800 MHz
d = 2.3 P for 800 MHz to 2.5 GHz P = Nominal power output rating of the transmitter in watts (W) (according to the transmitter manufacturer)
d = recommended separation distance in meters (m) Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey1, should be less than the compliance level in each frequency range2. Interference may occur in the vicinity of devices with the following symbol:
REMARKS: At 80 MHz and 800 MHz the higher frequency range applies. These guidelines may not apply in all situations. The propagation of electromag netic waves is affected by absorption and reflexion from buildings, objects and people. 1 = The field strength of stationary transmitters (e.g. base station for radio phone, earth to earth radio stations,, amateur radio stations, radio and television transmitters) cannot be exactly predicted in theory. To assess the EMC environment due to fixed transmitters an electromagnetic site survey should be conducted. If the measured field strength in the location in which the product is used exceeds the applicable compliance level above, the product should be observed to verify normal operation. If abnormal performance is observed, additional measures may be required, such as reorienting or relocating the product. 2 = Over the frequency range between 150 kHz and 80 MHz the field strength should be below 3 V/m.
Recommended separation distances between portable and mobile HF telecommunication devices and devices which are not life-supporting The product is intended for use in an electromagnetic environment where HF disturbances are controlled. The user can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile HF telecommunica tions equipment and the product. Rated nominal output power of thetransmitter (W)
Separation distance as a function of transmitter frequency (m) 150 kHz to 80 MHz d = 1.2 p
80 MHz to 800 MHz d = 1.2 P
800 MHz to 2.5 GHz d = 2.3 P
0,01
0,12
0,12
0,23
0,1
0,38
0,38
0,73
1
1,2
1,2
2,3
10
3,8
3,8
7,3
100
12
12
23
For transmitters rated at a nominal output power not listed in the table above, the recommended separation distance (d) in meters (m) can be determined using the applicable equation (observe frequency). P = nominal power of the transmitter in Watts (W). REMARKS: At 80 MHz and 800 MHz the higher frequency range applies. These guidelines may not apply in all situations. The propagation of electromag netic waves is affected by absorption and reflexion from buildings, objects and people.
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1.7
Connection diagram - light source in video mode
1
2
Legend Direct connection 1
LAN (Ethernet) connection cable (option) - core nova System
2
Video cable in accordance with the signal types of the camera controller used
IMPORTANT! Connect the LAN (Ethernet) connection cable (1 1) only in the case of an interactive camera controller.
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2
Illustration
2.1
Front view 4.2
4
4.1
3.1
3
2
1.1
1
Legend 1
Power/mains switch
4
Selector wheel with light sockets (type CF applied part)
1.1
Indicator light for line voltage (mains) ON/OFF
4.1
Light socket
2
Light On / Off
4.2
Indication of selected light socket
3
Manual brightness adjustment
3.1
Brightness level indicator
8
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2.2
Illustration of rear panel
8
7
6
5
9
FEDERAL LAW RESTRICTS THIS UNIT TO BE USED OR SOLD, EXCEPT UNDER THE SUPERVISION OF A MEDICAL DOCTOR.
Legend 5
Equipotential connector
8
Power input connector with fuse holder
6
LAN (Ethernet) network connector
9
Identification plate
7
Fuse plate
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3
Setup WARNING! The device is not protected against explosions. Explosion hazard. Do not operate this device in areas where there is a danger of explosion. WARNING! Danger if a power supply without protective earth is used. Danger of electric shock! Connect the device only to a power supply with protective earth connec tor. NOTE! The line / mains voltage must be the same as the voltage indicated on the identification plate. Connect the device only via the supplied power cable or a power cable with the same specifications. Do not block the ventilation slots! IMPORTANT! Do not the open the device! CAUTION! Danger of faults and malfunctions. To guarantee the safety of the user, patient and others, use only acces sories and spare parts specified by the manufacturer of this product. Other accessories or spare parts can cause the emission of increased electromagnetic radiation or reduced immunity against interference. IMPORTANT! Medical devices are subject to special precautions with regard to electro magnetic compatibility (EMC EMC). EMC Make sure you follow the notes on EMC for installation and operation. Medical electrical devices can be influenced by mobile HF communication devices. If it is necessary to stack the devices or place them next to each other and HF interference is observed, make sure that the devices are oper ated as specified in the intended use. CAUTION! Device failure due to automatic over-temperature cut-out. In the case of insufficient air supply, the over-temperature cut-out may be triggered which will shut down the device during use. Units with a cooling device [e.g. fan] require a minimum distance of 15 cm from the wall and unobstructed vent slots. Do not cover any openings required for cooling. To prevent possible accumulation of heat in the closed system cart, place the devices accordingly and/or provide vent slots. NOTE! To prevent liquid from being aspirated via the ventilation system, do not place any products or items from which liquids may leak onto or above the light source.
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3.1
Connection to the core nova system IMPORTANT! The plug of the LAN (ethernet) connection cable must engage in the LAN (Ethernet) network socket of the device. Use only LAN (Ethernet) connection cables with the corresponding lock ing tab on the plug. IMPORTANT! After connecting the devices to the core system, carry out a function test with the devices. IMPORTANT! Do not connect a second light source to the core nova system via LAN (Ethernet) or via the network switch in the same network.
3.2
Selecting the light socket The light source is equipped with a rotary selector wheel (4 4) with 4 light sockets for connecting light cables of other manufacturers. Turn the light socket for the light cable to be used to the 3-o'clock posi tion (4.1 4.1). 4.1 The manufacturer's code is displayed in the window (4.2 4.2). 4.2 Manufacturer's code 4
W = WOLF
4.2 S = STORZ
4.1
O = OLYMPUS A = ACMI
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3.3
Preparation
35
35
NOTE! To achieve optimum light transmission, the fiber bundle diameters of the endoscope and fiber light cable must be the same. Possible consequences when using a fiber light cable with excessive diameter: excessive heating at the coupling point with the endoscope insufficient diameter: reduced light output, excessive heating of light socket and fiber light cable. For the suitable fiber bundle diameter please refer to the product number of the fiber light cable. In the type number the two digits to the right of the decimal point must correspond with the code number on the cold-light connector. IMPORTANT! In video mode and when combined with an interactive camera controller, the brightness of the light source is controlled via the dialog function (see section 5.2.1). The shutter function of the camera controller must be activated and the LAN (Ethernet) connection cable between the light source and the cam era controller must be connected. Connect additional devices such as a monitor and a camera controller in accordance with the wiring schematic in section 1. Connect the endoscope in accordance with the illustration. LAN (Ethernet) Connection cable (option)
22
23
24 25
Legend 22 23
12
Fiber light cable Endoscope
24 25
Camera head with objective lens Camera controller
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Checks IMPORTANT! Run through the checks before and after each use. Do not use the products if they are damaged or incomplete or have loose parts. Return damaged products together with any loose parts for repair. Do not attempt to do any repairs yourself.
4.1
Visual check
Check the device and accessories for damage, loose or missing parts, hygiene and completeness. Check all connection cables for damage. Any inscription, lettering or labeling necessary for the safe intended use must be legible. Missing inscriptions, lettering or labeling leading to wrong handling or reprocessing must be reinstated.
4.2
Function check IMPORTANT! Before you perform the function checks, make sure that the devices are in perfect working order and are set up correctly. This must also be guar anteed within the scope of the visual check. When operated within the core system: Check the devices connected to the core system for proper functioning within the core system.
4.2.1
Device function after switching on the device Switch on the device with the power switch. When the self test starts, also listen for a signal being sounded for checking the speaker function. The indicator lamp on the power switch is lit. All brightness indicator LEDs light up briefly. The Light ON/OFF button is not lit The light source LED is switched off. The cooling fan operates after switching on the device.
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4.2.2
Manual brightness adjustment
CAUTION! Danger of glare. Do not look into the open end of the light cable when the light cable is connected. Adjust the brightness across the entire adjustment range using the "in crease/decrease brightness" buttons. The corresponding LEDs of the bar indicator light up. No light must escape from the light socket when no light cable is con nected. When reaching the upper or lower range limit a signal is sounded. 4.2.3
Switching ON and OFF the LED Switching on the LED: Push the “Light Light" Light button to switch on the LED. When no light cable is connected the LED must be off. Switching off the LED: Push the “Light Light" Light button again to switch off the LED.
4.2.4
Automatic brightness adjustment using the “dialog" function
CAUTION! Danger of glare. Do not look into the open end of the light cable when the light cable is connected. Connect the interactive (i.e. dialog-capable) camera controller in accor dance with section 1. the light cable to the light source. Switch on the light source and the camera controller.. Push the “Light Light" Light button to swich on the LED. The dialog function is active as a default setting (see section 5.2.1). Illuminate an object with white light. The camera controller automatically controls the brightness. In this case, manual brightness control is not possible.
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5
Use
5.1
Operation
The ENDOLIGHT LED 2.2 light source is used for illuminating the operat ing field in the patient's body. For this purpose the light is transmitted from the light source via a light cable to the instrument tip. With activated shutter function (ELC ON) on the camera controller, in the case of varying image brightness automatically a constant image bright ness is adjusted. The color temperature of the LED light source is approx. 6500 K. Optimum ventilation and adherence to the operating notes and instruc tions allows an LED service life of approx. 30000 h.
5.2
Control elements and modes
5.2.1
Dialog function
The dialog function allows for communication between the light source and an interactive (i.e. dialog-capable) camera controller. The dialog function uses the fast ELC control of the camera controller to adapt the image brightness while also automatically controlling the bright ness of the light source. The brightness setting of the light source is controlled automatically via the camera controller. It is not possible to control the brightness manually at the light source. For this purpose the devices must be connected via a LAN (Ethernet) connection cable (see wiring schematic in section 1) In both devices, the setting for the "core nova LAN“ OR integration inter face must be selected.
NOTE! We recommend working with the activated dialog function at all times times. To deactivate the dialog function it is necessary to disconnect the LAN (Ethernet) connection. 5.2.2
Automatic switch-on of the device, i.e. "safe start“ (e.g. after power failure) Device failure for less than 5 seconds: The last parameters entered are used. If “Light Light” Light was on, the LED is switched on again. Device failure between 5 and 30 seconds: The last parameters entered are used. If the LED was on, the safe start function is activated automatically. The “Light“ button blinks. Switch on the LED again. Device failure for more than 30 seconds: A standard device start with self test is carried out. The LED is switched off, and the brightness is automatically set to 80%.
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5.2.3
Manual brightness adjustment The brightness can be adjusted across the entire adjustment range using the "increase/decrease brightness" buttons. The corresponding LEDs of the bar indicator light up. The dialog function must not be active. When the upper or lower range limit is reached a signal is sounded.
5.2.4
Temperature protection circuit Blocked vent slots in the device rear panel or insufficient air circulation can cause increased temperatures inside the device. A temperature protection circuit monitors the device temperature. In the case of overtemperature, the LED brightness is in a first stage continu ously reduced and then shut down if the temperature increases any fur ther in order to avoid additional damage.
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